0N/A/*
1879N/A * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1472N/A * or visit www.oracle.com if you need additional information or have any
1472N/A * questions.
0N/A *
0N/A */
0N/A
1879N/A#include "precompiled.hpp"
1879N/A#include "memory/specialized_oop_closures.hpp"
1879N/A#include "utilities/ostream.hpp"
0N/A
0N/A// For keeping stats on effectiveness.
0N/A#ifndef PRODUCT
0N/A#if ENABLE_SPECIALIZATION_STATS
0N/A
0N/Aint SpecializationStats::_numCallsAll;
0N/A
0N/Aint SpecializationStats::_numCallsTotal[NUM_Kinds];
0N/Aint SpecializationStats::_numCalls_nv[NUM_Kinds];
0N/A
0N/Aint SpecializationStats::_numDoOopCallsTotal[NUM_Kinds];
0N/Aint SpecializationStats::_numDoOopCalls_nv[NUM_Kinds];
0N/A
0N/Avoid SpecializationStats::clear() {
0N/A _numCallsAll = 0;
0N/A for (int k = ik; k < NUM_Kinds; k++) {
0N/A _numCallsTotal[k] = 0;
0N/A _numCalls_nv[k] = 0;
0N/A
0N/A _numDoOopCallsTotal[k] = 0;
0N/A _numDoOopCalls_nv[k] = 0;
0N/A }
0N/A}
0N/A
0N/Avoid SpecializationStats::print() {
0N/A const char* header_format = " %20s %10s %11s %10s";
0N/A const char* line_format = " %20s %10d %11d %9.2f%%";
0N/A int all_numCallsTotal =
0N/A _numCallsTotal[ik] + _numCallsTotal[irk] + _numCallsTotal[oa];
0N/A int all_numCalls_nv =
0N/A _numCalls_nv[ik] + _numCalls_nv[irk] + _numCalls_nv[oa];
0N/A gclog_or_tty->print_cr("\nOf %d oop_oop_iterate calls %d (%6.3f%%) are in (ik, irk, oa).",
0N/A _numCallsAll, all_numCallsTotal,
0N/A 100.0 * (float)all_numCallsTotal / (float)_numCallsAll);
0N/A // irk calls are double-counted.
0N/A int real_ik_numCallsTotal = _numCallsTotal[ik] - _numCallsTotal[irk];
0N/A int real_ik_numCalls_nv = _numCalls_nv[ik] - _numCalls_nv[irk];
0N/A gclog_or_tty->print_cr("");
0N/A gclog_or_tty->print_cr(header_format, "oop_oop_iterate:", "calls", "non-virtual", "pct");
0N/A gclog_or_tty->print_cr(header_format,
0N/A "----------",
0N/A "----------",
0N/A "-----------",
0N/A "----------");
0N/A gclog_or_tty->print_cr(line_format, "all",
0N/A all_numCallsTotal,
0N/A all_numCalls_nv,
0N/A 100.0 * (float)all_numCalls_nv / (float)all_numCallsTotal);
0N/A gclog_or_tty->print_cr(line_format, "ik",
0N/A real_ik_numCallsTotal, real_ik_numCalls_nv,
0N/A 100.0 * (float)real_ik_numCalls_nv /
0N/A (float)real_ik_numCallsTotal);
0N/A gclog_or_tty->print_cr(line_format, "irk",
0N/A _numCallsTotal[irk], _numCalls_nv[irk],
0N/A 100.0 * (float)_numCalls_nv[irk] / (float)_numCallsTotal[irk]);
0N/A gclog_or_tty->print_cr(line_format, "oa",
0N/A _numCallsTotal[oa], _numCalls_nv[oa],
0N/A 100.0 * (float)_numCalls_nv[oa] / (float)_numCallsTotal[oa]);
0N/A
0N/A
0N/A gclog_or_tty->print_cr("");
0N/A gclog_or_tty->print_cr(header_format, "do_oop:", "calls", "non-virtual", "pct");
0N/A gclog_or_tty->print_cr(header_format,
0N/A "----------",
0N/A "----------",
0N/A "-----------",
0N/A "----------");
0N/A int all_numDoOopCallsTotal =
0N/A _numDoOopCallsTotal[ik] + _numDoOopCallsTotal[irk] + _numDoOopCallsTotal[oa];
0N/A int all_numDoOopCalls_nv =
0N/A _numDoOopCalls_nv[ik] + _numDoOopCalls_nv[irk] + _numDoOopCalls_nv[oa];
0N/A gclog_or_tty->print_cr(line_format, "all",
0N/A all_numDoOopCallsTotal, all_numDoOopCalls_nv,
0N/A 100.0 * (float)all_numDoOopCalls_nv /
0N/A (float)all_numDoOopCallsTotal);
0N/A const char* kind_names[] = { "ik", "irk", "oa" };
0N/A for (int k = ik; k < NUM_Kinds; k++) {
0N/A gclog_or_tty->print_cr(line_format, kind_names[k],
0N/A _numDoOopCallsTotal[k], _numDoOopCalls_nv[k],
0N/A (_numDoOopCallsTotal[k] > 0 ?
0N/A 100.0 * (float)_numDoOopCalls_nv[k] /
0N/A (float)_numDoOopCallsTotal[k]
0N/A : 0.0));
0N/A }
0N/A}
0N/A
0N/A#endif // ENABLE_SPECIALIZATION_STATS
0N/A#endif // !PRODUCT